Lutra 56-1 2013

Contents Inhoud

Editorial / Redactioneel

Moving mammals
Kees J. Canters

Research / Papers Artikelen

The long-term influence of grazing by livestock on common vole and raptors in man-made wetlands in the Netherlands

Nico Beemster & J. Theo Vulink

The raccoon dog (Nyctereutes procyonoides) in the Netherlands – its present status and a risk assessment

Jaap L. Mulder

Abundance of harbour porpoises (Phocoena phocoena) on the Dutch Continental Shelf, aerial surveys in July 2010-March 2011

Steve C.V. Geelhoed, Meike Scheidat, Rob S.A. van Bemmelen & Geert Aarts

Harbour porpoises (Phocoena phocoena) in the Marsdiep area, the Netherlands: new investigations
in a historical study area

Michelle Boonstra, Yvonne Radstake, Kees Rebel, Geert Aarts & Kees (C.J.) Camphuysen